US5260858A - Flashlight - Google Patents

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Publication number
US5260858A
US5260858A US07/832,857 US83285792A US5260858A US 5260858 A US5260858 A US 5260858A US 83285792 A US83285792 A US 83285792A US 5260858 A US5260858 A US 5260858A
Authority
US
United States
Prior art keywords
flashlight
switch housing
switch
contact
barrel
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
US07/832,857
Other languages
English (en)
Inventor
Anthony Maglica
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mag Instrument Inc
Original Assignee
Mag Instrument Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from US06/648,032 external-priority patent/US4577263A/en
Priority claimed from US06/828,729 external-priority patent/US4658336A/en
Priority claimed from US07/222,378 external-priority patent/US4899265A/en
Priority claimed from US07/356,361 external-priority patent/US4942505A/en
Priority claimed from US07/719,156 external-priority patent/US5113326A/en
Priority to US07/832,857 priority Critical patent/US5260858A/en
Application filed by Mag Instrument Inc filed Critical Mag Instrument Inc
Assigned to MAG INSTRUMENT, INC. reassignment MAG INSTRUMENT, INC. ASSIGNMENT OF ASSIGNORS INTEREST. Assignors: MAGLICA, ANTHONY
Priority to US07/866,714 priority patent/US5226722A/en
Priority to NZ249374A priority patent/NZ249374A/en
Priority to ES93904922T priority patent/ES2098026T3/es
Priority to CZ941867A priority patent/CZ281290B6/cs
Priority to PCT/US1993/001035 priority patent/WO1993016323A1/en
Priority to BR9305843A priority patent/BR9305843A/pt
Priority to AT93904922T priority patent/ATE146266T1/de
Priority to DE69306551T priority patent/DE69306551T2/de
Priority to DK93904922.7T priority patent/DK0625253T3/da
Priority to MD96-0243A priority patent/MD960243A/ro
Priority to TJ96000385A priority patent/TJ202B/xx
Priority to CA002128864A priority patent/CA2128864C/en
Priority to JP5514188A priority patent/JP2923054B2/ja
Priority to HU9402274A priority patent/HU214535B/hu
Priority to CH3013/93A priority patent/CH684958A5/de
Priority to KR1019940702706A priority patent/KR100199324B1/ko
Priority to AU36114/93A priority patent/AU663928B2/en
Priority to EP93904922A priority patent/EP0625253B1/en
Priority to US08/091,071 priority patent/US5315494A/en
Priority to RU94040722A priority patent/RU2110012C1/ru
Application granted granted Critical
Publication of US5260858A publication Critical patent/US5260858A/en
Priority to US08/243,471 priority patent/US5390091A/en
Priority to NO942684A priority patent/NO307760B1/no
Priority to FI943639A priority patent/FI105289B/fi
Priority to US08/382,289 priority patent/US5548495A/en
Priority to US08/483,381 priority patent/US5749645A/en
Priority to GR970400036T priority patent/GR3022267T3/el
Priority to HK97101687A priority patent/HK1000168A1/xx
Priority to US08/931,548 priority patent/US6196698B1/en
Priority to CY9802059A priority patent/CY2059B1/xx
Priority to US09/797,523 priority patent/US6428182B1/en
Priority to US10/210,340 priority patent/US6554449B2/en
Priority to US10/409,912 priority patent/US6802624B2/en
Priority to US10/961,634 priority patent/US7001042B2/en
Priority to US11/335,946 priority patent/US7188968B2/en
Priority to US11/685,713 priority patent/US7562996B2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V19/00—Fastening of light sources or lamp holders
    • F21V19/04—Fastening of light sources or lamp holders with provision for changing light source, e.g. turret
    • F21V19/047—Fastening of light sources or lamp holders with provision for changing light source, e.g. turret by using spare light sources comprised in or attached to the lighting device and being intended to replace a defect light source by manual mounting
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21L—LIGHTING DEVICES OR SYSTEMS THEREOF, BEING PORTABLE OR SPECIALLY ADAPTED FOR TRANSPORTATION
    • F21L2/00—Systems of electric lighting devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21L—LIGHTING DEVICES OR SYSTEMS THEREOF, BEING PORTABLE OR SPECIALLY ADAPTED FOR TRANSPORTATION
    • F21L4/00—Electric lighting devices with self-contained electric batteries or cells
    • F21L4/005—Electric lighting devices with self-contained electric batteries or cells the device being a pocket lamp
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S9/00—Lighting devices with a built-in power supply; Systems employing lighting devices with a built-in power supply
    • F21S9/02—Lighting devices with a built-in power supply; Systems employing lighting devices with a built-in power supply the power supply being a battery or accumulator
    • F21S9/022—Emergency lighting devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V14/00—Controlling the distribution of the light emitted by adjustment of elements
    • F21V14/02—Controlling the distribution of the light emitted by adjustment of elements by movement of light sources
    • F21V14/025—Controlling the distribution of the light emitted by adjustment of elements by movement of light sources in portable lighting devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V14/00—Controlling the distribution of the light emitted by adjustment of elements
    • F21V14/04—Controlling the distribution of the light emitted by adjustment of elements by movement of reflectors
    • F21V14/045—Controlling the distribution of the light emitted by adjustment of elements by movement of reflectors in portable lighting devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V19/00—Fastening of light sources or lamp holders
    • F21V19/02—Fastening of light sources or lamp holders with provision for adjustment, e.g. for focusing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V23/00—Arrangement of electric circuit elements in or on lighting devices
    • F21V23/04—Arrangement of electric circuit elements in or on lighting devices the elements being switches
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V23/00—Arrangement of electric circuit elements in or on lighting devices
    • F21V23/04—Arrangement of electric circuit elements in or on lighting devices the elements being switches
    • F21V23/0414—Arrangement of electric circuit elements in or on lighting devices the elements being switches specially adapted to be used with portable lighting devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V31/00—Gas-tight or water-tight arrangements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V31/00—Gas-tight or water-tight arrangements
    • F21V31/03—Gas-tight or water-tight arrangements with provision for venting
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
    • H01H13/50—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a single operating member
    • H01H13/56—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a single operating member the contact returning to its original state upon the next application of operating force
    • H01H13/58—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a single operating member the contact returning to its original state upon the next application of operating force with contact-driving member rotated step-wise in one direction
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S6/00—Lighting devices intended to be free-standing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V15/00—Protecting lighting devices from damage
    • F21V15/01—Housings, e.g. material or assembling of housing parts
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/02—Bases, casings, or covers
    • H01H9/04—Dustproof, splashproof, drip-proof, waterproof, or flameproof casings
    • H01H2009/048—Dustproof, splashproof, drip-proof, waterproof, or flameproof casings using a sealing boot, e.g. the casing having separate elastic body surrounding the operating member and hermetically closing the opening for it

Definitions

  • the present invention relates primarily to flashlights.
  • Flashlights include one or more dry cell batteries and in certain designs the batteries are arranged in series in a battery compartment of a barrel or tube which acts as a handle for the flashlight. Electrical energy from the batteries is generally conducted to a lamp or bulb at the front end of the flashlight through a switch mechanism positioned between the batteries and the lamp.
  • the lamp is supported within the flashlight by a holder or spacer within the barrel and extends into the flashlight reflector.
  • the lamp must be properly aligned with the reflector.
  • the lamp may be permanently misaligned with the reflector, resulting in degraded performance.
  • the present invention is directed to a flashlight having an improved switch mechanism which contains a switch assembly with a forwardly extending neck supporting the flashlight lamp.
  • the switch housing partially floats within the flashlight barrel to allow for a slight adjustment of the lamp relative to the reflector, thereby insuring centering of the lamp and the lamp filament to the reflector.
  • the switch housing has a seal which seals the forward end of the battery compartment.
  • assembly of the flashlight is improved because of the alignment of the internal component parts.
  • FIG. 1 is a section view of the present flashlight
  • FIG. 2 is an enlarged section view of the switch and bulb holder assembly of the present flashlight
  • FIG. 3 is a side elevation view of the switch housing of the switch assembly shown in FIGS. 1 and 2;
  • FIG. 4 is a front view thereof
  • FIG. 5 is a rear view thereof.
  • FIG. 6 is a top view thereof.
  • the present flashlight 10 has a barrel 12 having an externally threaded forward or front end and an internally threaded back or rear end.
  • a head 22 is threaded onto the front end of the barrel 12.
  • a face cap 14 is threaded onto the head 22.
  • a lens 18, which may be clear or colored, is held in place in between the face cap 14 and a reflector 20.
  • a face cap o-ring 16 positioned in a recess in the face cap 14 provides a resilient contact between the face cap 14 and the lens 18.
  • a head o-ring 24 seals the face cap 14 against the head 22
  • a barrel o-ring 26 rotatably seals the head 22 against the outside of the barrel 12.
  • a switch housing 28 has a neck 30 and a top neck slot 32. Gussets 34 may be provided for strength purposes.
  • a receptacle bore 36 extends vertically through the switch housing 28.
  • the receptacle bore 36 is generally double-D shaped, except at the uppermost portion above a shoulder 42 where it is preferably round.
  • An o-ring slot 38 is provided at the rear end of the switch housing 28.
  • Contact slots or openings 40 extend through the front and back surfaces of the switch housing 28 on opposite sides of the receptacle bore 36.
  • a lamp holder 58 is slidably positioned within the neck 30 of the switch housing 28, and biased forward by a spring 54.
  • a contact 56 is attached to the back end of the spring and a receptacle contact 52 is attached to the front end of the spring 54.
  • the receptacle contact 52 has a protruding or pointed front end for making electrical contact with the base 61 of the lamp 60.
  • An insulator 50 overlies the sides of the receptacle contact 52 and has a rear flange 53 which seats against the bulb holder 58.
  • a shoulder screw 44 extends through the neck slot 32 in the switch housing neck 30 and is threaded into the bulb holder 58.
  • a bushing 46 is positioned around the shoulder screw 44 in the neck slot 32, while a follower 48 is similarly positioned around the head of the shoulder screw 44 above the neck slot 32.
  • a ground contact 66 extends from the switch housing neck 30 into the receptacle bore 36 and is electrically connected with the inside surface of the barrel 12.
  • the lamp retainer 62, lamp holder 58, ground contact 66, barrel 12, contacts 56 and 52, spring 54 and barrel 12 are all electrically conducting materials, preferably metals.
  • a retaining ring 64 is placed within a groove on the inside surface of the barrel 12.
  • the front flange 68 of the switch housing 28 seats against the retaining ring to longitudinally position the switch housing 28 within the barrel 12.
  • a generally cylindrical switch assembly 80 is positioned in the receptacle opening 36 of the switch housing 28.
  • the switch assembly 80 has a lower switch assembly housing 82 and an upper switch assembly housing 84.
  • An indexer 86 and a driver 88 are supported in the upper switch assembly housing 84 and cooperate with indexer ridges 90 therein.
  • a return spring 100 biases the indexer 86 upwardly.
  • Clip contacts 92 on opposite sides of the switch assembly 80 have protruding legs 94.
  • a center contact ring 96 supported on a contact holder 98 alternately makes and breaks contact between the opposing clip contacts 92 as the driver 88 and indexer 86 are depressed to switch the lamp on and off.
  • Alternate up and down movement of the center contact ring 96 with actuation of the switch assembly 80 results in a scrubbing action between the center contact ring 96 and the clip contacts 92.
  • This scrubbing action improves reliability by helping to prevent a build up of contaminants on the center contact ring 96 and clip contacts 92.
  • the center contact ring 96 turns incrementally each time the switch assembly 80 is actuated. This turning movement also improves reliability by avoiding excessive wear on any single area of the center contact ring 96.
  • a switch seal 70 covers the switch assembly 80 and seals a round opening in the barrel 12 over the switch assembly 80.
  • a set screw 104 and nut 102 which connect the ground contact 66 to the barrel 12 and also vertically position the switch assembly 80 within the receptacle opening 36
  • the front clip contact 92 touches contact 56 and the back clip contact 92 touches a battery contact 76 supporting a battery connector or spring 74.
  • the battery contact 76 seals against the back face of the switch housing 28 by an o-ring 78.
  • two "D" size batteries or dry cells are contained within the battery compartment of the barrel 12, with the positive terminal of the front battery contacting the battery spring 74.
  • the outer circumference of the forward end (positive terminal end) of the battery 72 buts against the back surface rim 120 of the switch housing 28. This sets the spacing between the positive terminal 73 of the battery 72 and the switch housing 28.
  • the battery spring 74 is selected and positioned within the switch housing 28 so that it contacts the positive terminal 73 of the battery 72 with sufficient, but not excessive force to avoid leakage caused by caving in the positive terminal.
  • a tail cap 112 threaded into the back end of the barrel 12 contains a lamp protector 114 cushioning a spare bulb or lamp 60.
  • the lamp protector 114 is resilient. When removed from the tail cap 112, the lamp protector 114 may be spread apart to receive or release a spare lamp 60. When installed in the tail cap 112, the lamp protector 114 is held closed to cushion the lamp on all sides, e.g., on the glass, flange and/or base 61 of the lamp 60.
  • a tail cap spring 118 urges the batteries together and maintains them in contact with each other and the battery spring 74.
  • a one-way seal 116 in the tail cap 112 allows any build up of gases in the battery compartment to vent to the outside without allowing moisture, contaminants, etc. to enter the battery compartment.
  • the switch housing 28 partially floats within the barrel 12 to allow for a slight adjustment between the switch housing supporting the lamp and the reflector 20, to facilitate centering alignment of the lamp and reflector.
  • the switch housing 28 is positioned generally concentrically within the barrel 12, i.e., the centerlines or longitudinal axes of the switch housing 28 and the barrel 12 coincide.
  • the reflector 20 is also generally concentric with the barrel 12 and switch housing 28. Accordingly, since the lamp 60 is held by the lamp holder 60 on the centerline of the switch housing 28, it is also generally centered within the reflector 20 through the alignment of the reflector 20, barrel 12, and switch housing 28.
  • the diameter of the switch housing 28 is necessarily nominally smaller than the inside diameter of the barrel 12. This would ordinarily allow the switch housing 28 to freely radially shift slightly within the barrel 12, thereby causing a misalignment of the lamp and reflector.
  • the o-ring 106, together with the retaining ring 64 allow the switch housing 28 to be slightly adjusted relative to the reflector to insure centering of the lamp with the reflector.
  • the batteries or dry cells may generate corrosive vapors or gases, which if not contained can corrode the switch assembly 80 electrical components, e.g., the clip contacts 92, center ring 96, etc.
  • the housing o-ring 106 and o-ring 78 seal the battery compartment from the switch assembly 80 and the front end of the flashlight.
  • Assembly is improved as the switch assembly 80 is placed within the receptacle opening 36 of the switch housing 28 and is positioned therein by the receptacle shoulders 42, and the switch, housing 28 is positioned within the barrel by the retaining ring 64 and o-ring 106.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
  • Gyroscopes (AREA)
  • Disintegrating Or Milling (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Thermotherapy And Cooling Therapy Devices (AREA)
  • Eye Examination Apparatus (AREA)
  • Lubricants (AREA)
US07/832,857 1984-09-06 1992-02-07 Flashlight Expired - Lifetime US5260858A (en)

Priority Applications (36)

Application Number Priority Date Filing Date Title
US07/832,857 US5260858A (en) 1984-09-06 1992-02-07 Flashlight
US07/866,714 US5226722A (en) 1984-09-06 1992-04-10 Flashlight and bulb holder therefor
HU9402274A HU214535B (hu) 1992-02-07 1993-02-04 Zseblámpa
EP93904922A EP0625253B1 (en) 1992-02-07 1993-02-04 Portable flashlight
AU36114/93A AU663928B2 (en) 1992-02-07 1993-02-04 Portable flashlight
KR1019940702706A KR100199324B1 (ko) 1992-02-07 1993-02-04 포터블형 손전등
CH3013/93A CH684958A5 (de) 1992-02-07 1993-02-04 Stablampe.
PCT/US1993/001035 WO1993016323A1 (en) 1992-02-07 1993-02-04 Portable flashlight
TJ96000385A TJ202B (en) 1992-02-07 1993-02-04 Portable flashlight
CZ941867A CZ281290B6 (cs) 1992-02-07 1993-02-04 Kapesní svítilna
NZ249374A NZ249374A (en) 1992-02-07 1993-02-04 Flashlight switch housing
BR9305843A BR9305843A (pt) 1992-02-07 1993-02-04 Lanterna portátil
AT93904922T ATE146266T1 (de) 1992-02-07 1993-02-04 Tragbare handlampe
DE69306551T DE69306551T2 (de) 1992-02-07 1993-02-04 Tragbare handlampe
DK93904922.7T DK0625253T3 (da) 1992-02-07 1993-02-04 Bærbar lommelygte
MD96-0243A MD960243A (ro) 1992-02-07 1993-02-04 Lanternă de buzunar
ES93904922T ES2098026T3 (es) 1992-02-07 1993-02-04 Linterna portatil.
CA002128864A CA2128864C (en) 1992-02-07 1993-02-04 Portable flashlight
JP5514188A JP2923054B2 (ja) 1992-02-07 1993-02-04 ポータブルフラッシュライト
US08/091,071 US5315494A (en) 1984-09-06 1993-07-13 Flashlight and bulb holder therefor
RU94040722A RU2110012C1 (ru) 1992-02-07 1993-08-19 Карманный фонарь
US08/243,471 US5390091A (en) 1984-09-06 1994-05-16 Flashlight and bulb holder therefor
NO942684A NO307760B1 (no) 1992-02-07 1994-07-18 Lommelykt
FI943639A FI105289B (fi) 1992-02-07 1994-08-05 Kannettava taskulamppu
US08/382,289 US5548495A (en) 1984-09-06 1995-02-01 Flashlight and bulb holder therefor
US08/483,381 US5749645A (en) 1990-07-16 1995-06-07 Flashlight
GR970400036T GR3022267T3 (en) 1992-02-07 1997-01-09 Portable flashlight.
HK97101687A HK1000168A1 (en) 1992-02-07 1997-08-28 Portable flashlight
US08/931,548 US6196698B1 (en) 1992-02-07 1997-09-16 Flashlight
CY9802059A CY2059B1 (en) 1992-02-07 1998-04-30 Portable flashlight
US09/797,523 US6428182B1 (en) 1992-02-07 2001-02-28 Flashlight
US10/210,340 US6554449B2 (en) 1992-02-07 2002-07-31 Flashlight
US10/409,912 US6802624B2 (en) 1992-02-07 2003-04-08 Flashlight
US10/961,634 US7001042B2 (en) 1992-02-07 2004-10-07 Flashlight
US11/335,946 US7188968B2 (en) 1992-02-07 2006-01-20 Flashlight
US11/685,713 US7562996B2 (en) 1992-02-07 2007-03-13 Flashlight

Applications Claiming Priority (8)

Application Number Priority Date Filing Date Title
US06/648,032 US4577263A (en) 1984-09-06 1984-09-06 Miniature flashlight
US06/828,729 US4658336A (en) 1984-09-06 1986-02-11 Miniature flashlight
US3491887A 1987-04-06 1987-04-06
US07/222,378 US4899265A (en) 1984-09-06 1988-07-19 Miniature flashlight
US07/356,361 US4942505A (en) 1984-09-06 1989-05-23 Miniature flashlight
US55397790A 1990-07-16 1990-07-16
US07/719,156 US5113326A (en) 1984-09-06 1991-06-21 Miniature flashlight
US07/832,857 US5260858A (en) 1984-09-06 1992-02-07 Flashlight

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
US07/719,156 Continuation-In-Part US5113326A (en) 1984-09-06 1991-06-21 Miniature flashlight

Related Child Applications (4)

Application Number Title Priority Date Filing Date
US06/648,032 Continuation-In-Part US4577263A (en) 1984-09-06 1984-09-06 Miniature flashlight
US07/866,714 Continuation-In-Part US5226722A (en) 1984-09-06 1992-04-10 Flashlight and bulb holder therefor
US13891893A Continuation 1990-07-16 1993-10-18
US08/382,289 Continuation-In-Part US5548495A (en) 1984-09-06 1995-02-01 Flashlight and bulb holder therefor

Publications (1)

Publication Number Publication Date
US5260858A true US5260858A (en) 1993-11-09

Family

ID=25262793

Family Applications (8)

Application Number Title Priority Date Filing Date
US07/832,857 Expired - Lifetime US5260858A (en) 1984-09-06 1992-02-07 Flashlight
US08/931,548 Expired - Fee Related US6196698B1 (en) 1992-02-07 1997-09-16 Flashlight
US09/797,523 Expired - Fee Related US6428182B1 (en) 1992-02-07 2001-02-28 Flashlight
US10/210,340 Expired - Fee Related US6554449B2 (en) 1992-02-07 2002-07-31 Flashlight
US10/409,912 Expired - Fee Related US6802624B2 (en) 1992-02-07 2003-04-08 Flashlight
US10/961,634 Expired - Fee Related US7001042B2 (en) 1992-02-07 2004-10-07 Flashlight
US11/335,946 Expired - Fee Related US7188968B2 (en) 1992-02-07 2006-01-20 Flashlight
US11/685,713 Expired - Fee Related US7562996B2 (en) 1992-02-07 2007-03-13 Flashlight

Family Applications After (7)

Application Number Title Priority Date Filing Date
US08/931,548 Expired - Fee Related US6196698B1 (en) 1992-02-07 1997-09-16 Flashlight
US09/797,523 Expired - Fee Related US6428182B1 (en) 1992-02-07 2001-02-28 Flashlight
US10/210,340 Expired - Fee Related US6554449B2 (en) 1992-02-07 2002-07-31 Flashlight
US10/409,912 Expired - Fee Related US6802624B2 (en) 1992-02-07 2003-04-08 Flashlight
US10/961,634 Expired - Fee Related US7001042B2 (en) 1992-02-07 2004-10-07 Flashlight
US11/335,946 Expired - Fee Related US7188968B2 (en) 1992-02-07 2006-01-20 Flashlight
US11/685,713 Expired - Fee Related US7562996B2 (en) 1992-02-07 2007-03-13 Flashlight

Country Status (24)

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US20040150989A1 (en) * 1996-02-08 2004-08-05 John Burke Detection lamp
US6355935B1 (en) 1996-02-08 2002-03-12 Bright Solutions, Inc. Portable light source and system for use in leak detection
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US7157724B2 (en) 1996-02-08 2007-01-02 Bright Solutions, Inc. Detection lamp
US5839821A (en) * 1996-12-23 1998-11-24 Lezotte; Bruce A. Flashlight with forward looking sensing of thermal bodies
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US8147090B2 (en) 1998-01-26 2012-04-03 Mag Instrument, Inc. Flashlight
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EP0967432A2 (de) 1998-06-23 1999-12-29 Richard Cermak Schaltervorrichtung für eine Taschenleuchte
US6278071B1 (en) * 1999-08-16 2001-08-21 Han-Liang Chen Waterproof switch in a flashlight
USD436622S1 (en) 1999-11-15 2001-01-23 Advance Watch Company Ltd. Writing instrument with flashlight and/or bulbous grip
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US8210709B2 (en) 2004-03-16 2012-07-03 Mag Instrument, Inc. Apparatus and method for aligning a substantial point source of light with a reflector feature
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US7344269B2 (en) 2004-03-16 2008-03-18 Mag Instrument, Inc. Lighting device with variable length conductor
US7723921B2 (en) 2004-12-07 2010-05-25 West Stacey H Circuitry for portable lighting devices and portable rechargeable electronic devices
US7579782B2 (en) 2004-12-07 2009-08-25 Mag Instrument, Inc. Circuitry for portable lighting devices and portable rechargeable electronic devices
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US20060120069A1 (en) * 2004-12-07 2006-06-08 Mag Instrument, Inc. Circuitry for portable lighting devices and portable rechargeable electronic devices
US7609005B2 (en) 2004-12-07 2009-10-27 Mag Instrument, Inc. Circuitry for portable lighting devices and portable rechargeable electronic devices
US8482209B2 (en) 2004-12-07 2013-07-09 Mag Instrument, Inc. Circuitry for portable lighting devices and portable rechargeable electronic devices
USD608481S1 (en) 2008-10-24 2010-01-19 J.S. Products Flashlight
US8169165B2 (en) 2009-01-14 2012-05-01 Mag Instrument, Inc. Multi-mode portable lighting device
US9035576B2 (en) 2009-01-14 2015-05-19 Mag Instrument, Inc. Multi-mode portable lighting device
US8366290B2 (en) 2009-01-14 2013-02-05 Mag Instrument, Inc. Portable lighting device
US20100177508A1 (en) * 2009-01-14 2010-07-15 Mag Instrument, Inc. Portable Lighting Device
US8322899B1 (en) * 2009-11-20 2012-12-04 Israel Rosario LED accessory system
US20130084749A1 (en) * 2011-08-23 2013-04-04 Rich Brand Industries Limited Push Handle Switch Lampholder
US8735749B2 (en) * 2011-08-23 2014-05-27 Rich Brand Industries Limited Push handle switch lampholder
US8357863B1 (en) * 2011-08-23 2013-01-22 Rich Brand Industries Limited Push handle switch lampholder
US10240758B2 (en) 2017-03-07 2019-03-26 Mag Instrument, Inc. Apparatus for creating a storage compartment in a flashlight and method of its use
US11181712B2 (en) * 2019-01-03 2021-11-23 Triple Win Technology (Shenzhen) Co. Ltd. Lens module and electronic device having the same
US11466821B2 (en) 2019-12-31 2022-10-11 Jiangsu Sur Lighting Co., Ltd. Lamp module group
US11598517B2 (en) 2019-12-31 2023-03-07 Lumien Enterprise, Inc. Electronic module group
US11959601B2 (en) 2019-12-31 2024-04-16 Lumien Enterprise, Inc. Lamp module group
US12018828B2 (en) 2019-12-31 2024-06-25 Lumien Enterprise, Inc. Electronic module group
US20230037946A1 (en) * 2020-01-15 2023-02-09 Robert E. Bina Multi-purpose illumination, self-defense and glass-breaking tool
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ATE146266T1 (de) 1996-12-15
FI943639A0 (fi) 1994-08-05
CA2128864C (en) 1998-07-14
HU9402274D0 (en) 1994-10-28
CZ281290B6 (cs) 1996-08-14
US6428182B1 (en) 2002-08-06
KR100199324B1 (ko) 1999-06-15
DE69306551D1 (de) 1997-01-23
HUT68230A (en) 1995-06-28
US6196698B1 (en) 2001-03-06
US6802624B2 (en) 2004-10-12
DK0625253T3 (da) 1997-06-02
CY2059B1 (en) 1998-04-30
MD960243A (ro) 1998-06-30
CZ186794A3 (en) 1995-02-15
AU663928B2 (en) 1995-10-26
JPH07503809A (ja) 1995-04-20
NO942684D0 (no) 1994-07-18
DE69306551T2 (de) 1997-04-03
US20020024807A1 (en) 2002-02-28
CA2128864A1 (en) 1993-08-19
GR3022267T3 (en) 1997-04-30
NO942684L (ja) 1994-08-05
US20070153506A1 (en) 2007-07-05
US20050047126A1 (en) 2005-03-03
US7562996B2 (en) 2009-07-21
EP0625253A4 (en) 1995-08-23
US20060114669A1 (en) 2006-06-01
NO307760B1 (no) 2000-05-22
US20030210544A1 (en) 2003-11-13
FI943639A (fi) 1994-08-05
US7188968B2 (en) 2007-03-13
WO1993016323A1 (en) 1993-08-19
RU2110012C1 (ru) 1998-04-27
EP0625253A1 (en) 1994-11-23
TJ202B (en) 1998-11-14
BR9305843A (pt) 1997-02-18
ES2098026T3 (es) 1997-04-16
HK1000168A1 (en) 1998-01-09
FI105289B (fi) 2000-07-14
HU214535B (hu) 1998-03-30
US6554449B2 (en) 2003-04-29
JP2923054B2 (ja) 1999-07-26
US7001042B2 (en) 2006-02-21
CH684958A5 (de) 1995-02-15
NZ249374A (en) 1995-07-26
AU3611493A (en) 1993-09-03
RU94040722A (ru) 1997-02-20
EP0625253B1 (en) 1996-12-11
US20020186560A1 (en) 2002-12-12

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